Home / 484,530,830.78-668,649,145.24-264,514,256.78

Finding the Fourth Proportional to 484,530,830.78, 668,649,145.24 and 264,514,256.78

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Solution

The fourth proportional to 484,530,830.78, 668,649,145.24 and 264,514,256.78 is: 365,027,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,530,830.78 : 668,649,145.24 = 264,514,256.78 : x
  2. Step 2: Convert to fraction form
    484,530,830.78/668,649,145.24 = 264,514,256.78/x
  3. Step 3: Cross multiply
    484,530,830.78x = 668,649,145.24 × 264,514,256.78
  4. Step 4: Simplify right side
    484,530,830.78x = 176,867,231,699,740,864
  5. Step 5: Solve for x
    x = 176,867,231,699,740,864/484,530,830.78
  6. Step 6: Final answer
    x = 365,027,817.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.